ANTENNA X73206XL3Q

 

DESCRIPTION

 

Radiator

Number of  yagi elements

Boomlength (mm)

 

Double rectangle

31 + radiator

3428

       

 

PERFORMANCES (loss included, KF2YN correction applied)

G

(dBi)

F/B

(dB)

F/Sh

(dBi)

F/Sv

(dBi)

Hor lobe

(◦)

Ver lobe

(◦)

Ta

(K)

Tlos

(K)

G/T

(dB)

18.00

32.55

19.60

20.09

27.0

23.0

27.7

3.0

+3.57

 

DIMENSIONS

Element

Ref

De

D1, D2

D3,D4

D5,D6

D7,D8

D9,D10

D11,D12

D13,D14

Position

0

119

180

318

475

578

752

1006

1256

Length

333

269.5

298

293

289.5

287.5

286

281

278

Height

0

±80

±65

±109

±150

±175

±195

±221

±235

Element

D15,D16

D17,D18

D19,D20

D21,D22

D23,D24

D25,D26

D27,D28

D29,D30

 

Position

1517

1779

2044

2318

2592

2880

3168

3428

 

Length

274

272

270

267

266

263

256.5

256.5

 

Height

±255

±265

±285

±295

±295

±295

±295

±265

 

Remark

All elements made of Al rods Ǿ6 mm

All dimensions given in milimetres

No boom correction included.

 

Ref = Reflector

De =  Dipole (radiator)

D  =   Director

 

CONSTRUCTION OF RADIATOR

Material: Aluminum rod Ø= 6 mm

H = 269.5 mm

V = 80 mm

 

 

DIAGRAMS

 

Horizontal and verticall pattern in free space, no loss condition

 

 

WORKING CONDITION

Frequency bandwidth for SWR=1.5 (MHz)

Z (Ώ)

at 432.100 MHz

SWR

at 145.000 MHz

Lowest

Highest

415.000

440.500

201.7

1.04:1

       

 

SWR DIAGRAMS (loss included for Al)

SWR curve for amateur bandwidth 432 – 435 MHz

Frequency bandwidth for SWR = 1.5

 

COMPARISON (inserted in a part of VE7BQH table, where it belongs according to its boom length)

TYPE OF

ANTENNA

SINGLE ANTENA

FOUR ANTENNAS IN H-STACK

L

(λ)   

GAIN

(dBi)

Z

(ohms)

VSWR

Bandwidth

E

(m)

H

(m)

Ga

(dBd)

Tlos

(K)

Ta

(K)

G/T

(dB)

EAntenna 432LFA15

4.48

15.66

48.4

1.25:1

1.22

1.14

21.36

4.0

28.5

6.82

InnoV 15 LFA

4.59

16.68

51.1

1.08:1

1.42

1.34

22.57

4.8

30.0

7.81

YU7EF EF7015M-5

4.69

16.80

49.5

1.03:1

1.43

1.36

22.66

5.4

33.6

7.40

WiMo 15 (YU7EF)

4.89

17.06

174.5

3.05:1

1.46

1.30

22.87

4.3

30.0

8.10

X73206XL3Q

4.94

18.00

201.3

1.04:1

1.90

1.88

24.10

3.0

26.7

9.83

InnoV 16 LFA

5.19

17.27

48.4

1.19:1

1.50

1.43

23.15

4.8

29.7

8.43

*InnoV 17 LFA

5.33

17.25

49.9

1.03:1

1.45

1.45

23.11

4.3

29.5

8.41

YU7EF EF7017M-5

5.56

17.41

50.7

1.06:1

1.52

1.44

23.22

5.6

33.4

7.98

*KF2YN Polly 18 CR

5.69

17.79

48.1

1.18:1

1.95

1.95

23.96

3.7

31.4

9.00

RA3AQ AQ70-18f

5.74

17.76

51.7

1.08:1

1.59

1.53

23.64

6.1

32.6

8.51

InnoV 18 LFA

5.76

17.49

49.8

1.05:1

1.52

1.45

23.33

4.3

28.9

8.72

+Konni F20 DL6WU

5.94

17.52

220.4

1.07:1

1.58

1.51

23.39

1.5

31.7

8.37

+DG7YBN 19

5.94

17.80

49.3

1.28:1

1.60

1.54

23.68

3.6

29.5

8.98

YU7EF EF7018M-5

6.00

17.61

49.3

1.08:1

1.54

1.48

23.39

5.1

31.7

8.39

K1FO 22

6.10

17.85

200.8

1.43:1

1.53

1.56

23.75

4.8

33.6

8.49

EAntenna 432LFA18

6.13

17.88

47.6

1.42:1

1.61

1.55

23.76

5.6

29.7

9.02

YU7EF EF7019B-5

6.43

17.91

50.5

1.12:1

1.60

1.54

23.72

5.7

32.7

8.59

KF2YN Polly 20 CR

6.50

18.30

48.8

1.21:1

1.90

1.90

24.43

3.8

31.1

9.50

InnoV 19 LFA

6.54

18.18

47.6

1.09:1

1.68

1.63

24.10

5.0

29.2

9.45

Tonna 21 DX

6.61

17.91

58.4

2.32:1

1.67

1.61

23.80

6.7

41.3

7.63

KF2YN Boxkite 22

6.70

19.26

52.1

1.17:1

1.99

1.90

25.14

10.8

40.2

9.11

InnoV 20 LFA

6.99

18.28

50.5

1.09:1

1.73

1.67

24.31

5.0

28.1

9.82

RA3AQ AQ70-21f

7.14

18.54

52.3

1.07:1

1.73

1.67

24.41

6.9

31.0

9.51

+DG7YBN 23

7.55

18.65

48.4

1.56:1

1.76

1.70

24.51

3.8

27.8

10.08

Z(ohms) - measured on 432.100 MHz

Bandwidth – VSWR measured on 435.000 MHz

 

STACKING

(ALL DATA GIVEN IN ACCORDANCE WITH KF2YN CORRECTION, LOSS INCLUDED)

RECOMMENDED STACKING DISTANCES

 

Two antennas vertically

(mm)

Two antennas horizontally

(mm)

Four antennas in H-stack

(mm)

Horizontal distance

 

1900

1900

Vertical distance

1880

 

1880

TWO ANTENNAS STACKED VERTICALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

1880

21.05

27.1

3.0

+6.71

 

Two antennas stacked vertically

TWO ANTENNAS STACKED HORIZONTALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

1900

21.11

27.5

3.0

+6.71

 

Two antennas stacked horizontally

FOUR ANTENNAS IN H-STACK

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

H = 1900

24.10

36.7

3.0

+9.83

V = 1880

 

Four antennas in H-stack